Emojis have long been the language of casual conversation — a smiley face to soften a message, a thumbs-up to signal approval, a wink to add playful nuance. But today, these tiny icons are showing up ...

You are about to send a text message. Should you express an emotion with words or an emoji? According to Aristotle, we have nine basic emotions: anger, friendship, fear, shame, kindness, pity, ...